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Digital Electronics

Digital Electronics
ASCII code is a

 10-bit code
 5-bit code
 8-bit code
 7-bit code

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Digital Electronics
Fastest memory element is

 Cache
 RAM
 ROM
 Hard Drive

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Digital Electronics
What logic function is produced by adding an inverter to each input and output of an OR gate?

 X-OR
 AND
 NAND
 NOR

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Digital Electronics
For 4 bit parallel addition, we need ________ half adder(s) and ________ full adder(s)

 0 and 4
 1 and 4
 1 and 3
 0 and 3

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Digital Electronics
The output of a logic gate is 1 when all its inputs are at logic 1. The gate is either

 an OR or an X-OR
 an AND or an OR
 a NAND or a NOR
 an AND or a NOR

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Digital Electronics
The 7-bit Hamming code is used to transmit

 no data bits
 7 data bits
 4 data bits
 3 data bits

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